<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page,index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="iconImg">
            <img  class="icon-img-content" :src="item.imgUrl" alt="">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },

  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang ='stylus' scoped>
  @import "~styles/varibles.styl"
  @import "~styles/mixins.styl"
  .icons >>> .swiper-container
    height :0
    padding-bottom :50%
  .icons
    margin-top :.2rem
    .icon
      position :relative
      float :left
      overflow :hidden
      width :25%
      height :0
      padding-bottom :25%
      .iconImg
        position :absolute
        top:0
        left:0
        right :0
        bottom : .30rem
        box-sizing : border-box
        padding:.1rem
        .icon-img-content
            display :block
            height  :100%
            margin : 0 auto
      .icon-desc
        position :absolute
        bottom:0
        left:0
        right :0
        text-align :center
        height : .44rem
        line-height :.44rem
        color :$darkTextColor
        ellipse()
</style>
